*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.color-container{
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.color-wrapper{
    width: 400px;
    min-height: 300px;
    border: solid 1px #ddd;
    padding: 10px;
}
.color-show{
    width: 100%;
    height: 300px;
    background: #aef;
}
hr{
    margin: 15px 0;
}
input{
    margin: 8px 0;
}